"The claws of Axos are already deeply embedded in the Earth's carcass ..."

UNIT faces another extraterrestrial threat when a UFO crashes in England. Aboard the strange, organic spaceship are the Axons, a group of golden skinned aliens who say they need humanity's help. In exchange, the Axons offer the human race a "miracle mineral" that will solve many of the Earth's problems. Can the strangers be trusted? What is the secret of the Axos?